big bang theory
Across
- 3. the theory of how the universe started
- 5. very small subatomic particles that consist of 6 flavors
- 6. what our universe is always doing
- 7. only one of these is needed to create hydrogen
- 8. the force that pulls us towards the earth
- 10. the effect of light waves or sound waves being stretched
Down
- 1. the first element to be created
- 2. what the universe was full of when it was first created
- 4. what are always moving away from each other.
- 9. the second element to be created